149 lines
5.0 KiB
C++
149 lines
5.0 KiB
C++
/*************************************************************************
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*
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* $RCSfile: dibpreview.hxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: tra $ $Date: 2002-03-21 07:37:13 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _DIBPREVIEW_HXX_
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#define _DIBPREVIEW_HXX_
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//------------------------------------------------------------------------
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// includes
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//------------------------------------------------------------------------
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#ifndef _PREVIEWBASE_HXX_
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#include "previewbase.hxx"
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#endif
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#ifndef _OSL_MUTEX_HXX_
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#include <osl/mutex.hxx>
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#endif
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#include <windows.h>
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//---------------------------------------------
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// A very simple wrapper for a window that does
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// display DIBs.
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// Maybe it would be better and more extensible
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// to create another class that is responsible
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// for rendering a specific image format into
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// the area of the window, but for our purpose
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// it's enough to go the simple way - KISS.
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//---------------------------------------------
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class CDIBPreview : public PreviewBase
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{
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public:
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// ctor
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CDIBPreview(HINSTANCE instance,HWND parent,sal_Bool bShowWindow = sal_False);
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// dtor
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virtual ~CDIBPreview( );
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// preview interface implementation
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virtual sal_Int32 SAL_CALL getTargetColorDepth()
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throw (::com::sun::star::uno::RuntimeException);
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virtual sal_Int32 SAL_CALL getAvailableWidth()
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throw (::com::sun::star::uno::RuntimeException);
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virtual sal_Int32 SAL_CALL getAvailableHeight()
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throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage)
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throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
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virtual sal_Bool SAL_CALL setShowState(sal_Bool bShowState)
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throw (::com::sun::star::uno::RuntimeException);
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virtual sal_Bool SAL_CALL getShowState()
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throw (::com::sun::star::uno::RuntimeException);
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virtual HWND SAL_CALL getWindowHandle() const;
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private:
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virtual void SAL_CALL onPaint( HWND hWnd, HDC hDC );
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ATOM SAL_CALL RegisterDibPreviewWindowClass( );
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void SAL_CALL UnregisterDibPreviewWindowClass( );
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static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
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private:
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HINSTANCE m_Instance;
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HWND m_Hwnd;
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com::sun::star::uno::Sequence<sal_Int8> m_Image;
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osl::Mutex m_PaintLock;
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// the preview window class has to be registered only
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// once per process, so multiple instance of this class
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// share the registered window class
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static ATOM s_ClassAtom;
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static osl::Mutex s_Mutex;
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static sal_Int32 s_RegisterDibPreviewWndCount;
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// prevent copy and assignment
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private:
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CDIBPreview(const CDIBPreview&);
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CDIBPreview& operator=(const CDIBPreview&);
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};
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#endif |